<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<style type="text/css">
	body {
		text-align: center;
	}
	#small {
		margin-top: 150px;
	}
	#showBig {
		position: absolute;
		display: none;
	}
</style>
<script type="text/javascript" src="script/jquery-1.7.2.js"></script>
<script type="text/javascript">
	$(function(){
		$("#small")
			.mouseover(function(event){
				$("#showBig")
					.show()
					.css("left",event.pageX+10)
					.css("top",event.pageY+10);
			})
			.mousemove(function(event){
				$("#showBig")
					.css("left",event.pageX+10)
					.css("top",event.pageY+10);
			})
			.mouseout(function(){
				$("#showBig").hide();
			});
	});
</script>
</head>
<body>

	<img id="small" src="img/small.jpg" />
	
	<div id="showBig">
		<img src="img/big.jpg">
	</div>

</body>
</html>